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Celkon A403 vs HTC U11

Compare recorded specifications, size and practical differences.

+ Add a third phone

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    A403: 56 g lighter

    A403:
    113 g
    U11:
    169 g
  • Width

    A403: 10.9 mm narrower

    A403:
    65 mm
    U11:
    75.9 mm
  • Screen diagonal

    A403: 1.5 in smaller diagonal

    A403:
    4 in
    U11:
    5.5 in
  • Chipset

    A403:
    Spreadtrum SC7715
    U11:
    Qualcomm MSM8998 Snapdragon 835 (10 nm)
  • Depth

    U11: 2.3 mm thinner

    A403:
    10.2 mm
    U11:
    7.9 mm
  • Height

    A403: 28.9 mm shorter

    A403:
    125 mm
    U11:
    153.9 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. A403

    Height:
    125 mm
    Width:
    65 mm
    Depth:
    10.2 mm +2.3 mm versus U11
  2. 2. U11

    Height:
    153.9 mm +28.9 mm versus A403
    Width:
    75.9 mm +10.9 mm versus A403
    Depth:
    7.9 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. A403

    113 g

  2. 2. U11

    169 g

    +56 g versus A403

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. A403

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. U11

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²

U11 has approximately 83.1% more rectangular screen area than A403.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A403: Original memory entry

4 GB · 512 MB RAM

U11: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A403

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. U11

NFC:
Yes
Headphone jack:
No
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot) - dual SIM model only

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. A403

    1400 mAh

  2. 2. U11

    3000 mAh

    +1600 mAh versus A403

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. A4032. U11

Everyday essentials
Everyday essentials — specifications for A403, U11.
SpecificationA403U11
Dimensions (HxWxD)
  • 125 Х 65 Х 10.2 mm
  • 153.9 Х 75.9 Х 7.9 mm
Weight
  • 113 g
  • 169 g
Technology Unknown
  • Super LCD5
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1440 x 2560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 512 GB (uses SIM 2 slot) - dual SIM model only
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.1 (Nougat)
  • upgradable to Android 8.0 (Oreo); Sense UI
Chipset
  • Spreadtrum SC7715
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A403, U11.
SpecificationA403U11
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 56.1%
  • 71.4%
PPI /points per inch/
  • 233 PPI
  • 534 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Camera and Video — specifications for A403, U11.
SpecificationA403U11
Rear camera, main
  • 3.15 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 3.15 MP
  • 12 MP
  • f/1.7
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • 5-axis OIS
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 1.3 MP
  • 16 MP
  • f/2.0
DxOMark Main Score * Unknown
  • 90
DxOMark Photo * Unknown
  • 90
DxOMark Video * Unknown
  • 89
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for A403, U11.
SpecificationA403U11
Processor CPU
  • 1.0 GHz
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU Unknown
  • Adreno 540
Antutu 7 score * Unknown
  • 214359
GeekBench 4 Single Core * Unknown
  • 1913
GeekBench 4 Multi-Core * Unknown
  • 6333
GeekBench 4 RenderScript * Unknown
  • 7938
GeekBench 5 Single Core * Unknown
  • 382
GeekBench 5 Multi-Core * Unknown
  • 1468
General specs
General specs — specifications for A403, U11.
SpecificationA403U11
Release date
  • 2015
  • August
  • 2017
  • May
Colors
  • Black
  • Light Blue
  • Red
  • Yellow
  • Amazing Silver
  • Sapphire Blue
  • Brilliant Black
  • Ice White
  • Solar Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 370 EUR
Battery life Unknown
  • Stand by time- Up to 336 h (3G) Talking time- Up to 24 h 30 min (3G)
Body build Unknown
  • Front/back glass
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A403, U11.
SpecificationA403U11
SIM card
  • Dual SIM
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 28(700)
  • 32(1500)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/75 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 3.1
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE (5.0 after SW update)
Harmful irradiation
  • SAR EU - 0.38 W/kg (head) 0.68 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A403, U11.
SpecificationA403U11
Radio
  • FM radio
  • No
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A403, U11.
SpecificationA403U11
Dop
  • Sensors Accelerometer
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins) - Also known as HTC U11 Dual SIM with dual-SIM card slots128GB/6GB (China
  • Taiwan
  • Malaysia
  • Singapore
  • India
  • Hong Kong
  • Russia
  • Saudi Arabia
  • Philippines)